Maak de erbijsom tot 20
Erbijsommen
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1.
11 + 6 =
|
2.
3 + 0 =
|
3.
14 + 0 =
|
|
4.
2 + 10 =
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5.
12 + 5 =
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6.
17 + 1 =
|
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7.
4 + 10 =
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8.
17 + 3 =
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9.
14 + 1 =
|
|
10.
13 + 1 =
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11.
20 + 0 =
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12.
10 + 9 =
|
|
13.
5 + 7 =
|
14.
10 + 6 =
|
15.
20 + 0 =
|
|
16.
3 + 14 =
|
17.
7 + 0 =
|
18.
17 + 1 =
|
|
19.
9 + 11 =
|
20.
3 + 15 =
|
21.
4 + 7 =
|
|
22.
10 + 1 =
|
23.
17 + 3 =
|
24.
18 + 0 =
|
|
25.
15 + 4 =
|
26.
20 + 0 =
|
27.
18 + 1 =
|
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28.
15 + 1 =
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29.
7 + 9 =
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30.
15 + 2 =
|
|
31.
14 + 6 =
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32.
20 + 0 =
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33.
15 + 5 =
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